Sciweavers

466 search results - page 67 / 94
» Preprocessing Search Spaces for Branch and Bound Search
Sort
View
CP
2007
Springer
16 years 5 days ago
Structural Relaxations by Variable Renaming and Their Compilation for Solving MinCostSAT
Searching for optimal solutions to a problem using lower bounds obtained from a relaxation is a common idea in Heuristic Search and Planning. In SAT and CSPs, however, explicit rel...
Miquel Ramírez, Hector Geffner
GECCO
2005
Springer
108views Optimization» more  GECCO 2005»
15 years 11 months ago
Some theoretical results about the computation time of evolutionary algorithms
This paper focuses on the computation time of evolutionary algorithms. First, some exact expressions of the mean first hitting times of general evolutionary algorithms in finite...
Lixin X. Ding, Jinghu Yu
ICDE
2012
IEEE
343views Database» more  ICDE 2012»
13 years 8 months ago
Bi-level Locality Sensitive Hashing for k-Nearest Neighbor Computation
We present a new Bi-level LSH algorithm to perform approximate k-nearest neighbor search in high dimensional spaces. Our formulation is based on a two-level scheme. In the first ...
Jia Pan, Dinesh Manocha
CGO
2006
IEEE
16 years 2 days ago
Fast and Effective Orchestration of Compiler Optimizations for Automatic Performance Tuning
Although compile-time optimizations generally improve program performance, degradations caused by individual techniques are to be expected. One promising research direction to ove...
Zhelong Pan, Rudolf Eigenmann
EWCBR
2006
Springer
15 years 9 months ago
Unsupervised Feature Selection for Text Data
Feature selection for unsupervised tasks is particularly challenging, especially when dealing with text data. The increase in online documents and email communication creates a nee...
Nirmalie Wiratunga, Robert Lothian, Stewart Massie